<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./myQuery.js"></script>
    <script src="./myjQuery-1.0.0.js"></script>
</head>
<body>
    <button>浅复制</button>
    <button>深复制</button>
    <ul>
        <li>我是第一个li</li>
        <li>我是第二个li</li>
    </ul>
    <script>
        let res = new myQuery('button')
        console.log(res)
    </script>
</body>
</html>